/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.network.clientpackets;

import java.util.logging.Logger;

import net.sf.l2j.Config;
import net.sf.l2j.gameserver.model.BlockList;
import net.sf.l2j.gameserver.model.L2Party;
import net.sf.l2j.gameserver.model.L2World;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.SystemMessageId;
import net.sf.l2j.gameserver.network.serverpackets.AskJoinParty;
import net.sf.l2j.gameserver.network.serverpackets.SystemMessage;

/**
 *  format  cdd
 */
public final class RequestJoinParty extends L2GameClientPacket
{
	private static final String _C__29_REQUESTJOINPARTY = "[C] 29 RequestJoinParty";
	private static Logger _log = Logger.getLogger(RequestJoinParty.class.getName());

	private String _name;
	private int _itemDistribution;

    @Override
	protected void readImpl()
	{
        _name = readS();
        _itemDistribution = readD();
	}

	@Override
	protected void runImpl()
	{
        L2PcInstance requestor = getClient().getActiveChar();
        L2PcInstance target = L2World.getInstance().getPlayer(_name);

		if (requestor == null)
		    return;

        if (target == null)
        {
            requestor.sendPacket(SystemMessageId.FIRST_SELECT_USER_TO_INVITE_TO_PARTY);
            return;
        }
        
		if (BlockList.isBlocked(target, requestor))
		{
			requestor.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.S1_HAS_ADDED_YOU_TO_IGNORE_LIST).addPcName(target));
			return;
		}
        
		if (target.getAppearance().getInvisible() || !(target != null))
		{
			requestor.sendPacket(SystemMessageId.TARGET_IS_INCORRECT);
			return;
		}
        
		if (target == requestor || target.isCursedWeaponEquipped() || requestor.isCursedWeaponEquipped())
		{
			requestor.sendPacket(SystemMessageId.YOU_HAVE_INVITED_THE_WRONG_TARGET);
			return;
		}
		
		if (target.isInParty())
        {
			SystemMessage msg = SystemMessage.getSystemMessage(SystemMessageId.S1_IS_ALREADY_IN_PARTY).addPcName(target);
			requestor.sendPacket(msg);
			return;
		}
		
		if (target.getClient().isDetached())
		{
			requestor.sendMessage("The player you tried to invite is in offline mode.");
			return;
		}

		if (target.isInJail() || requestor.isInJail())
        {
			requestor.sendMessage("The player you tried to invite is currently jailed.");
			return;
		}

        if (target.isInOlympiadMode() || requestor.isInOlympiadMode())
            return;

        if (!requestor.isInParty())
            createNewParty(target, requestor);
        else
        {
            if (requestor.getParty().isInDimensionalRift())
                requestor.sendMessage("You can't invite a player when you're in Dimensional Rift.");
            else
                addTargetToParty(target, requestor);
        }
    }

	/**
	 * @param client
	 * @param itemDistribution
	 * @param target
	 * @param requestor
	 */
	private void addTargetToParty(L2PcInstance target, L2PcInstance requestor)
	{
		L2Party party = requestor.getParty();
		
		if (!party.isLeader(requestor))
        {
			requestor.sendPacket(SystemMessageId.ONLY_LEADER_CAN_INVITE);
			return;
		}
		
		if (party.getMemberCount() >= 9)
        {
			requestor.sendPacket(SystemMessageId.PARTY_FULL);
			return;
		}

		if (party.getPendingInvitation() && !party.isInvitationRequestExpired())
		{
			requestor.sendPacket(SystemMessageId.WAITING_FOR_ANOTHER_REPLY);
			return;
		}
		
		if (!target.isProcessingRequest())
		{
		    requestor.onTransactionRequest(target);
		    
		    // in case a leader change has happened, use party's mode
		    target.sendPacket(new AskJoinParty(requestor.getName(), party.getLootDistribution()));
		    party.setPendingInvitation(true);

		    requestor.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.YOU_INVITED_S1_TO_PARTY).addPcName(target));
		    if (Config.DEBUG)
		        _log.fine("Sent out a party invitation to " + target.getName());
		}
		else
		{
		    requestor.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.S1_IS_BUSY_TRY_LATER).addPcName(target));
		    if (Config.DEBUG)
		        _log.warning(requestor.getName() + " already received a party invitation");
		}
	}

	/**
	 * @param client
	 * @param itemDistribution
	 * @param target
	 * @param requestor
	 */
	private void createNewParty(L2PcInstance target, L2PcInstance requestor)
	{
		if (!target.isProcessingRequest())
		{
		    requestor.setParty(new L2Party(requestor, _itemDistribution));

		    requestor.onTransactionRequest(target);
		    target.sendPacket(new AskJoinParty(requestor.getName(), _itemDistribution));
		    requestor.getParty().setPendingInvitation(true);

		    if (Config.DEBUG)
		        _log.fine("Sent out a party invitation to "+target.getName());

		    requestor.sendPacket(SystemMessage.getSystemMessage(SystemMessageId.YOU_INVITED_S1_TO_PARTY).addPcName(target));
		}
		else
		{
			requestor.sendPacket(SystemMessageId.WAITING_FOR_ANOTHER_REPLY);

		    if (Config.DEBUG)
		        _log.warning(requestor.getName() + " already received a party invitation");
		}
	}

	@Override
	public String getType()
	{
		return _C__29_REQUESTJOINPARTY;
	}
}